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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.autofill;
import static android.view.autofill.Helper.sDebug;
import android.annotation.NonNull;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.Log;
import com.android.internal.util.Preconditions;
/**
* Compound validator that only returns {@code true} on {@link #isValid(ValueFinder)} if all
* of its subvalidators return {@code true} as well.
*
* <p>Used to implement an {@code AND} logical operation.
*
* @hide
*/
final class RequiredValidators extends InternalValidator {
private static final String TAG = "RequiredValidators";
@NonNull private final InternalValidator[] mValidators;
RequiredValidators(@NonNull InternalValidator[] validators) {
mValidators = Preconditions.checkArrayElementsNotNull(validators, "validators");
}
@Override
public boolean isValid(@NonNull ValueFinder finder) {
for (InternalValidator validator : mValidators) {
final boolean valid = validator.isValid(finder);
if (sDebug) Log.d(TAG, "isValid(" + validator + "): " + valid);
if (!valid) return false;
}
return true;
}
/////////////////////////////////////
// Object "contract" methods. //
/////////////////////////////////////
@Override
public String toString() {
if (!sDebug) return super.toString();
return new StringBuilder("RequiredValidators: [validators=").append(mValidators)
.append("]")
.toString();
}
/////////////////////////////////////
// Parcelable "contract" methods. //
/////////////////////////////////////
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeParcelableArray(mValidators, flags);
}
public static final Parcelable.Creator<RequiredValidators> CREATOR =
new Parcelable.Creator<RequiredValidators>() {
@Override
public RequiredValidators createFromParcel(Parcel parcel) {
return new RequiredValidators(parcel
.readParcelableArray(null, InternalValidator.class));
}
@Override
public RequiredValidators[] newArray(int size) {
return new RequiredValidators[size];
}
};
}
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